Heel-cutting apparatus.



W. .l. NESBITT.

HEEL CUTTING APPARATUS.

APPLICATION FILED FEB. 15. 1911.

l ,245 A96. Patented Nov. 6, 1917.

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7% Afioi'npy- J. NESBITT.

HEEL CUTTING APPARATUS.

APPLICATION FILED FEB.15.\917.

Patented Nov. 6, 1917,

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WILLIAM J. NESBITT, 0F LOS ANGELES, CALIFORNIA.

HEEL-CUTTING APPARATUS.

Specification of Letters Patent;

Patented Nov. 6, 1917.

Application filed February 15, 1917. Serial No. 149,137.

To all whom it may concern:

Be it known that 1, WILLIAM J. NnsBrr'r, a citizen of the United Statesof America, residing at Los Angeles, county of Los Angeles, State ofCalifornia, have invented a certain new and useful Heel-CuttingApparatus; and I do hereby declare the following to be a full, clear,andexact description of the invention, such as will enable othersskilled in the art to which it appertains to make and use the same.

This invention relates to heel cutting apparatus; and it' may be said toconsist in the provision of. the novel and advantageous features and inthe novel and improved construction, arrangement, and combination ofparts and devices as will be apparent from the description and claimswhich follow hereinafter.

One object of the invention is to provide a novel and improvedconstruction. for mounting and operatively connecting the circular sawso that the saw can be adjusted at a right angle to the heel of a shoe,and so that said saw can be turned horizontally or tilted or both whenit is desired to have the saw make an angular cut through the heel ofthe shoe. 1

Further objects of the invention are to provide a novel and improvedconstruction of the nature specified which is comparatively simple andcompact, easy and convenient to use, and elfective in operation.

Other objects and the advantages of the invention will be apparent tothose skilled in the art from a careful consideration of the followingdescription of the preferred form of'the construction embodying the invention, taken in connection. with the accompanying drawings in whichFigure l is a side elevational view ofthe heel cutting apparatus; Fig. 2is a broken view showing a portion of the apparatus; Fig. 3 is anenlarged broken and sectional view showing the mounting and operativeconnections for the circular saw; Fig. 4 is another broken sectionalview of the same; F ig. 5 is an enlarged broken pla n view showing thedevice for locking in ad usted position-the lever by whichthe saw shaftis adjusted to adjust the saw transversely to the shoe heel; Fig. 6 is asectional view taken on the line 66 of Fig. 5; and Fig. 7 is a brokensectional view taken on the line 77 of Fig. 6.

The frame of the apparatus preferably consists of the hollow post 10,and. the curved brackets. 11 and 12 which have their lower ends suitablyconnected to the extension 13 on the upper part of the post 10. uprightsupport 14 hasits; lower part plvota'lly fitted in the upper. part ofthe hollow post 10, and said support 14 is connected to the post 10 bythe pin 15 which is screwed in the post 10 and extends loosely into theannular 'roove 16 which is provided in the lower part of the support 14;On the pivot 17 atthe upper end of thesupport 14 is mounted the bracket18 which has thereon the bearings 19 and 20, and the bearing 21. An arm22 provided with the bearing 23 has a handle 24 at its upper end and ithas its lower end arranged between the bearings 19 and 20 and pivotallymounted onthe shaft 25 which is mounted in the bearings 19 and 20; I Ashaft 26 is mounted in the bearing 23. Said shaft 26 has fast thereonthe circularsaw 27 and the spur wheel 28. The latter is in mesh with thewide spur wheel 29 which is loosely mounted on the shaft 25; A spurpinion 30 is in niesh with the wide spur wheel 29 and is provided with ahollow shaft 31 which is mounted in the bearing 21. A squared shaft 32'extends into the hollow shaft 31 and it is connected by the universalcoupling 33 to 4 the squared shaft 34 which latter extends into thehollow shaft 35 which is mounted in the bearing 36 at the upper part ofthe bracket 12. The shaft 35 may be driven by any suitable means; thatshown consisting of the sprocket chain 37 which isiconnected to thesprocket wheel 38 which is mounted fast on the. shaft. 35.

The shoe holding device may be of any suitable form; that shownconsisting of the plates. 39 and 40 which are adapted to fit in thecrease between the heel seat and the heel 41 of the shoe 42; the plate39 being suitably connected to'the plate 43 which is suitably connectedto the upper part of the bracket 11, and the plate 40 being suitablymounted on the lever 44 which has the handle 45 at itsforward end andhas its rear end mounted on the pivot 46 between the upright lugs 47 onthe rear of the plate 43.,

A split ring 48 is fitted in the annular groove. 49 in the hub 50 of thespur wheel 28,.and an operating handle 51 is suitably connected to saidsplit ring 48. The'latter is provided with an extension 52'havi'ng adisk 53 with teeth 54 in contact" with teeth on the disk 56 which isprovided on the projection 57 extending from the bearing 23. The disks53 and 56 are held in yielding contact by the bolt 58 which passesthrough the disks, and the spring 59 which is arranged on the bolt 58and interposed be tween the nut 60 and the disk 56.

A lever 61 is mounted on a pivot 62 on the post 10 and it is providedwith bevel teeth 63 in mesh with the bevel teeth 61 on the lower end ofthe sup ort 141, so that the support 1 1 can be turned by operation ofthe lever 61. The latter can be locked in adjusted position by means ofthe dog 65 which is slidably mounted on the spaced lugs 66 and 67 on thelever 61 and is adapted to engage the teeth 68 on the post 10; the dog65 being connected by the link 69 to the bell crank lever 70 which ispivotally mounted adjacent to the handle 71 on the lever 61, and aspring 72 being interposed between the handle 71 and the bell cranklever 70 to normally press the bell crank lever 70 away from the handle71.

The bracket 18 can be turned on the pivot 17 by the bell crank lever 73which is mounted on the pivot 74 on the support 1 1; said bell cranklever 73 having thereon the pin 75 which extends through the slot 76 inthe extension 77 of the bracket 18. The lever 7 3 can be locked inadjusted position by means of the dog 78 which is slidably mounted onthe spaced lugs 79 and 80 on the lever 7 3 and is adapted to engage theteeth 81 on the support 1 1; the dog 78 being connected by the link 82to the bell crank lever 83 which is pivotally mounted adjacent to thehandle 84: on the lever 73, and a spring 85 being interposed between thehandle 84: and the bell crank lever 83 to normally press the latter awayfrom the handle 71.

From the foregoing description the construction, operation, andadvantages of the apparatus will be understood by those skilled in theart. It will be seen that the handle 51 can be moved to effect movementof the shaft 26 in the bearing 23, and of the spur wheel 28 on the spurwheel 29, so that the circular saw 27 can be adjusted at a right angleor transversely to the shoe holding device according to the amount thatitis desired to cut off of the heel 41. hen it is desired to make anangular cut longitudinally of the heel 41 the lever 61 can be operatedto turn the support 1% to have the circular saw 27 disposed at thedesired angle to the heel 4:1. \Vhen itis desired to make an angular cuttransversely of the heel 41 the lever 73 can be operated to turn thebracket 18 on the pivot 17 and thereby tilt the circular saw 27according to the angle desired. When the arm 22 is operated to move thecircular saw 27 to cut the heel 41, the spur wheel 28 rides on the spurwheel 29.

The construction which has been particularly illustrated and describedadmits of minor changes and medifications-wherefore the right isreserved to all such changes and modifications as do not depart from thespirit and scope of the invention which is defined in the appendedclaims.

I claim 2- 1. In heel cutting apparatus, the combination of a bracket, ashaft on said bracket, a wide spur wheel loose on said shaft, a spurpinion in mesh with the wide spur wheel, means to operate the spurpinion, an arm pivotally mounted on said shaft and provided with abearing, a shaft slidably mounted in said bearing, and a circular sawand a spur wheel on the last mentioned shaft, the last mentioned spurwheel being in mesh with said wide spur wheel.

2. In. heel cutting apparatus, the combination of a. support, a bracketpivotally mounted on said support, a shaft on said bracket, a wide spurwheel loose on said shaft, a spur pinion in mesh with the wide spurwheel and provided with a hollow shaft mounted on said bracket, auniversal coupling, a squared shaft extending into said hollow shaft andconnected to said universal coupling, operating' means connected to theuniversal coupling, an arm pivotally mounted on the first mentionedshaft and provided with a bearing, a shaft slidably mounted in saidbearing, and afcircular saw and a spur wheel on'the last mentionedshaft, the last mentioned spur wheel being in mesh with said wide spurwheel.

3. In heel cutting apparatus, thecombination of a frame, a supportpivotally mounted on said frame, a bracket pivotally mounted on saidsupport, a shaft on said pling, a squared shaft extending into saidhollow shaft and connected to said universal coupling, operating meansconnected. to said universal coupling, an arm pivotally mounted on thefirst mentioned shaft and provided with a bearing, a shaft slidablymounted in said bearing, and a circular'saw and a spur wheel on the lastmentioned shaft, the last mentioned spur wheel being in mesh with sa dwide spur wheel.

1. In heel cutting apparatus, the combination of an adjustable support,an adjustable bracket on said support, a shaft on said bracket, a widespur wheel loose on said shaft, a spur pinion arranged in mesh with thewide spur wheel and provided with a hollow shaft, a flexible couplingoperatively shaft, the last mentioned spur Wheel being in mesh with saidwide spur wheel.

5. In heel cutting apparatus, the combination of an adjustable support,a bracket adjustably mounted on said support, a shaft on said bracket, awide spur wheel loose on said shaft, a spur pinion arranged in mesh withthe wide spur wheel and provided with a hollow shaft, a flexiblecoupling, a squared shaft extending into the hollow shaft and connectedto the flexible coupling, an arm Copies of this patent may be obtainedfor five cents each,

pivotally mounted on the first mentioned shaft, a shaft slidably mounted011 said arm, and a circular saw and a spur wheel on the last mentionedshaft, the last mentioned spur wheel being in mesh with said wide spurwheel.

In testimony whereof, I have signed my name to this specification at LosAngeles, county of Los Angeles, State of California, this 8th day ofFebruary, A. D. 1917.

WVILLIAM J. NESBITT.

by addressing the Commissioner of Patents,

Washington, D. 0.

